122145324455 has 32 divisors (see below), whose sum is σ = 187199244288. Its totient is φ = 74285395200.

The previous prime is 122145324451. The next prime is 122145324473. The reversal of 122145324455 is 554423541221.

It is not a de Polignac number, because 122145324455 - 2² = 122145324451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145324451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3853247 + ... + 3884816.

It is an arithmetic number, because the mean of its divisors is an integer number (5849976384).

Almost surely, 2^122145324455 is an apocalyptic number.

122145324455 is a deficient number, since it is larger than the sum of its proper divisors (65053919833).

122145324455 is a wasteful number, since it uses less digits than its factorization.

122145324455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738127.

The product of its digits is 192000, while the sum is 38.

Adding to 122145324455 its reverse (554423541221), we get a palindrome (676568865676).

The spelling of 122145324455 in words is "one hundred twenty-two billion, one hundred forty-five million, three hundred twenty-four thousand, four hundred fifty-five".